454138810 has 16 divisors (see below), whose sum is σ = 818927496. Its totient is φ = 181327168.

The previous prime is 454138793. The next prime is 454138849. The reversal of 454138810 is 18831454.

It can be written as a sum of positive squares in 4 ways, for example, as 369369961 + 84768849 = 19219^2 + 9207^2 .

It is a super-2 number, since 2×454138810² = 412484117496432200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35197 + ... + 46336.

Almost surely, 2^454138810 is an apocalyptic number.

454138810 is a deficient number, since it is larger than the sum of its proper divisors (364788686).

454138810 is a wasteful number, since it uses less digits than its factorization.

454138810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82097.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 454138810 is about 21310.5328417663. The cubic root of 454138810 is about 768.6516065050.

The spelling of 454138810 in words is "four hundred fifty-four million, one hundred thirty-eight thousand, eight hundred ten".